放射性材料

Thermal neutron radiography is a useful complementary tool of the other non-destructive testing methods for the hydrogenous materials and heavy metal subassembly,and thermal neutron tomography has not been developed in China.By the use of the CCD-based thermal neutron digital radiography facility in SPRR-300 reactor and the Al column sample with holes,the projecting data of 36 multiplied 552 groups are collected.

热中子照相技术在检测含氢材料、重金属组件结构、原子序数相近的不同元素、放射性材料等方面弥补了X光等其他无损检测技术的不足，广泛用于重金属组件、火工品等武器部件的质量检测和库存武器可靠性和有效性评估中。

The non-radioactive long afterglow phosphor is a kind of environmental application material which has been used in more and more extensive fields such as light sources in emergency, luminous paint and so on.

非放射性长余辉发光材料是一类环保型的应用材料，作为美化和清洁光源在紧急突发事件的照明设施、夜光油漆等众多领域得到越来越广泛的应用。

According to distance protection,time protection and material protection to protect;contamination with radionuclides should be treated in accordance with its mutual imˉpaction.

放射性核素的防护应采取距离、时间、材料防护；放射性核素污染应根据污染特点进行去污处理。

The aim of radiation protection at nuclear power plants is to set up and to maintain effective defense against radiation hazard,and the main tasks are radiation dose control,radioactive contamination control and radioactive material control.

核电站辐射防护的目的是建立并维持对放射性危害的有效防御，其主要任务是辐射剂量控制、放射性污染控制和放射性材料控制三个方面。

Experts noted that the current urban living environment is the main source of radioactive hazards of indoor radon and radioelement content standard building materials.

专家指出，目前城市生活环境中主要放射性危害的来源有室内氡气及放射性元素含量超标的建筑材料等。

I find. A buried site of radioactive material.

我找。 一个埋葬放射性材料的地方。

Additional, in industrial respect, ion exchange fiber can become activator carrier as activator, use at catalysis certain and organic reaction; Can use as dehydrating agent and grease depart material; Use as water sorbent, take off with what divide at the water in storehouse except; Use as material of sex hygiene suction blood, can make radioactivity is absorbed and defend material; Use ion exchange fiber the adsorption to the bacterium and antiseptic ability, make underwear of deodorant insole, health care wait.

另外，在工业方面，离子交换纤维可作为催化剂成催化剂载体，用于催化某些有机反应；可用作脱水剂和油水分离材料；用作水吸附(物质表面吸住周围介质中的分子或离子现象)剂，用于仓库中水分的脱除；用作吸血性卫生材料，可制成放射性吸收和防护材料；利用离子交换纤维对细菌的吸附(物质表面吸住周围介质中的分子或离子现象)和杀菌能力，制成防臭鞋垫、保健内衣等。

Recycle and use waste material as building materials and replace the use of solid clay brick can resolve the contradiction between industry and agriculture,aims to save energy,land,resources and to protect the environment.

在对部分省市可用作建材的工业废渣进行调查的基础上，对其放射性水平、给居民带来的附加量当量进行了检测，提出了防止利用工业废渣生产建筑材料放射性超标的措施与建议。

The decontaminating experiments of radioactive surface contamination are carried out with polymer mambrane decontaminating material which can be denuded at a uranium mill and with chemical decontaminating agent at a uranium mine.

介绍了在某铀水冶厂厂区内用可剥离聚合物成膜去污材料和在某铀矿用化学去污剂分别进行的放射性表面污染去污试验，讨论了试验结果，对我国铀矿冶放射性表面污染去污提出了建议。

The high temperature and strong radioactivity target-source system is one of the critical techniques in ISOL.

因为涉及到强放射性及放射性核素的释放问题，靶材料及靶-源结构材料的确定是一个重要的问题。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。